<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- /课程详情 开始 -->
    <section class="container">
      <section class="path-wrap txtOf hLh30">
        <a href="#" title class="c-999 fsize14">首页</a>
        \
        <a href="#" title class="c-999 fsize14">{{courseWebVo.subjectLevelOne}}</a>
        \
        <span class="c-333 fsize14">{{courseWebVo.subjectLevelTwo}}</span>
      </section>
      <div>
        <article class="c-v-pic-wrap" style="height: 357px;">
          <section class="p-h-video-box" id="videoPlay">
            <img height="357px" width="100%" :src="courseWebVo.cover" :alt="courseWebVo.title" class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{courseWebVo.title}}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow" style="font-size:24px;">￥{{courseWebVo.price}}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{courseWebVo.teacherName}}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <svg t="1666243794076" class="icon18" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1783" width="20" height="20"><path d="M512 96c3.808 0 7.584 2.176 8.992 6.56l129.664 270.784 288.736 33.184c9.216 0 13.024 11.744 5.6 17.152L720 616l65.184 299.52a9.536 9.536 0 0 1-9.056 12.48 9.344 9.344 0 0 1-5.536-1.856L512 772.928l-258.592 153.216a9.344 9.344 0 0 1-5.536 1.856 9.536 9.536 0 0 1-9.056-12.48L304 616l-224.992-192.32a9.472 9.472 0 0 1 5.6-17.152l288.736-33.184 129.632-270.784A9.312 9.312 0 0 1 512 96" fill="#181818" p-id="1784"></path></svg>
                <a class="c-fff vam" title="收藏" href="#" >收藏</a>
              </span>

              <span class="ml10 vam">
                <svg t="1666243394857" class="icon18" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="852" width="20" height="20"><path d="M585.557333 168.874667c-33.024-56.064-114.133333-56.064-147.114666 0L86.4 767.402667C52.906667 824.277333 93.952 896 159.914667 896h704.170666c65.962667 0 107.008-71.68 73.514667-128.597333L585.557333 168.874667zM512 384a42.666667 42.666667 0 0 1 42.666667 42.666667v170.666666a42.666667 42.666667 0 1 1-85.333334 0v-170.666666a42.666667 42.666667 0 0 1 42.666667-42.666667z m42.666667 341.333333a42.666667 42.666667 0 1 1-85.333334 0 42.666667 42.666667 0 0 1 85.333334 0z" fill="#2F3035" p-id="853"></path></svg>
                <a class="c-fff vam" title="举报" href="#" @click="reportById()">举报</a>
              </span>

              <span class="ml10 vam">
                <svg t="1666243699439" class="icon18" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1644" width="20" height="20"><path d="M832 768v64H192v-64H128v128h768v-128zM822.624 438.624l-45.248-45.248L544 626.752V128h-64v498.752l-233.376-233.376-45.248 45.248L512 749.248z" fill="#181818" p-id="1645"></path></svg>
                <a class="c-fff vam" title="下载" :href="listUrl[0]" >下载配套资源</a>
              </span>

            </section>
            <section  v-if="isBuy || Number(courseWebVo.price) === 0" class="c-attr-mt">
              <a href="#" title="立即观看" class="comm-btn c-btn-3">立即观看</a>
            </section>
            <section  v-else class="c-attr-mt">
              <a @click="createOrders()" href="#" title="立即购买" class="comm-btn c-btn-3">立即购买</a>
            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol clearfix">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{courseWebVo.buyCount}}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">20</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">501</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear"></div>
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                  <a name="c-i" class="current" title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <p v-html="courseWebVo.description">{{courseWebVo.description}}</p>
                    </section>
                  </div>
                </div>
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu" class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 文件目录 -->
                          <li class="lh-menu-stair" v-for="chapter in chapterVideoList" :key="chapter.id">
                            <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10"></em>{{chapter.title}}
                            </a>

                            <ol class="lh-menu-ol" style="display: block;">
                              <li class="lh-menu-second ml30" v-for="video in chapter.children" :key="video.id">
                                <a :href="'/player/'+video.videoSourceId" target="_blank">
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{video.title}}
                                </a>
                              </li>
                              
                            </ol>

                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
                <!-- /课程大纲 -->
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a href="#">
                        <img :src="courseWebVo.avatar" width="50" height="50" alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a class="c-333 fsize16 fl" href="#">{{courseWebVo.teacherName}}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{courseWebVo.intro}}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear"></div>
      </div>
    </section>
    <!-- /课程详情 结束 -->
    <div class="mt50 commentHtml"><div>
      <h6 class="c-c-content c-infor-title" id="i-art-comment">
        <span class="commentTitle">课程评论</span>
      </h6>
      <section class="lh-bj-list pr mt20 replyhtml">
        <ul>
          <li class="unBr">
            <aside class="noter-pic">
              <img width="50" height="50" class="picImg" src="~/assets/img/avatar-boy.gif">
              </aside>
            <div class="of">
              <section class="n-reply-wrap">
                <fieldset>
                  <textarea name="" v-model="comment.content" placeholder="输入您要评论的文字" id="commentContent"></textarea>
                </fieldset>
                <p class="of mt5 tar pl10 pr10">
                  <span class="fl "><tt class="c-red commentContentmeg" style="display: none;"></tt></span>
                  <input type="button" @click="addComment()" value="回复" class="lh-reply-btn">
                </p>
              </section>
            </div>
          </li>
        </ul>
      </section>
      <section class="">
          <section class="question-list lh-bj-list pr">
            <ul class="pr10">
              <li v-for="(comment,index) in data.items" v-bind:key="index">
                  <aside class="noter-pic">
                    <img width="50" height="50" class="picImg" :src="comment.avatar">
                    </aside>
                  <div class="of">
                    <span class="fl"> 
                    <font class="fsize12 c-blue"> 
                      {{comment.nickname}}</font>
                    <font class="fsize12 c-999 ml5">评论：</font></span>
                  </div>
                  <div class="noter-txt mt5">
                    <p>{{comment.content}}</p>
                  </div>
                  <div class="of mt5">
                    <span class="fr"><font class="fsize12 c-999 ml5">{{comment.gmtCreate}}</font></span>
                  </div>
                </li>
              
              </ul>
          </section>
        </section>
        
        <!-- 公共分页 开始 -->
        <div class="paging">
            <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
            <a
            :class="{undisable: !data.hasPrevious}"
            href="#"
            title="首页"
            @click.prevent="gotoPage(1)">首</a>
            <a
            :class="{undisable: !data.hasPrevious}"
            href="#"
            title="前一页"
            @click.prevent="gotoPage(data.current-1)">&lt;</a>
            <a
            v-for="page in data.pages"
            :key="page"
            :class="{current: data.current == page, undisable: data.current == page}"
            :title="'第'+page+'页'"
            href="#"
            @click.prevent="gotoPage(page)">{{ page }}</a>
            <a
            :class="{undisable: !data.hasNext}"
            href="#"
            title="后一页"
            @click.prevent="gotoPage(data.current+1)">&gt;</a>
            <a
            :class="{undisable: !data.hasNext}"
            href="#"
            title="末页"
            @click.prevent="gotoPage(data.pages)">末</a>
            <div class="clear"/>
        </div>
        <!-- 公共分页 结束 -->
      </div>
    </div>
  </div>
</template>

<script>
import courseApi from '@/api/course'
import comment from '@/api/common'
import ordersApi from '@/api/order'
import resourceApi from '@/api/resource'
export default {
   asyncData({ params, error }) {
     return {courseIdt: params.id}
   },
     data() {
    return {
      data:{},
      page:1,
      limit:4,
      total:10,
      courseIdt:'',
      comment:{
        content:'',
        courseId:''
      },
      listUrl:{},
      report:{},
      courseWebVo:{},
      chapterVideoList:{},
      isbuyCourse:false,
      isBuy:false
    }
  },
    created() {
    this.comment.courseId = this.courseIdt
    this.initCourseInfo()
    this.initComment()
    this.getResource()
  },
  mounted(){
    this.initComment()
  },
  methods:{
      initCourseInfo(){
        courseApi.getCourseInfo(this.courseIdt)
        .then(response => {
            this.courseWebVo = response.data.data.courseWebVo,
            this.chapterVideoList=response.data.data.chapterVideoList,
            // this.courseIdt=params.id
            this.isBuy=response.data.data.isBuy
        })
      },
      initComment(){
      comment.getPageList(this.page, this.limit, this.courseIdt).then(response => {
           this.data = response.data.data
       })
    },
        addComment(){
        this.comment.courseId = this.courseIdt
        this.comment.teacherId = this.courseWebVo.teacherId
        comment.addComment(this.comment).then(response => {
            if(response.data.success){
                this.comment.content = ''
                this.initComment()
            }
        })
    },
        gotoPage(page){
          comment.getPageList(page, this.limit,this.courseIdt).then(response => {
              this.data = response.data.data
          })
      },
      createOrders(){
        ordersApi.createOrder(this.courseIdt)
        .then(response =>{
          //获取返回的订单号
          //生成订单，跳转到显示页面
          this.$router.push({path:'/orders/'+response.data.data.orderId})
        })
      },
      reportById(){
          this.$confirm('此操作将举报该课程, 是否继续?', '提示', {
              confirmButtonText: '确定',
              cancelButtonText: '取消',
              type: 'warning'
          }).then(() => {
            this.report.courseId = this.courseIdt
            return courseApi.reportById(this.report)
          }).then(() => {
              this.$message({
                  type: 'success',
                  message: '举报成功!'
              })
          })
      },
      getResource(){
            resourceApi.getResource(this.comment.courseId)
            .then(response=>{
                this.listUrl = response.data.data.urls
            })
      }
  }
  }
</script>